Update vendor

vendor/k8s.io/apiserver/pkg/registry/generic/rest/BUILD

@@ -17,6 +17,8 @@ go_test(
         "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
+        "//vendor/github.com/stretchr/testify/assert:go_default_library",
+        "//vendor/github.com/stretchr/testify/require:go_default_library",
     ],
 )
 

vendor/k8s.io/apiserver/pkg/registry/generic/rest/streamer.go

@@ -18,6 +18,7 @@ package rest
 
 import (
 	"context"
+	"errors"
 	"io"
 	"net/http"
 	"net/url"
@@ -29,13 +30,14 @@ import (
 )
 
 // LocationStreamer is a resource that streams the contents of a particular
-// location URL
+// location URL.
 type LocationStreamer struct {
 	Location        *url.URL
 	Transport       http.RoundTripper
 	ContentType     string
 	Flush           bool
 	ResponseChecker HttpResponseChecker
+	RedirectChecker func(req *http.Request, via []*http.Request) error
 }
 
 // a LocationStreamer must implement a rest.ResourceStreamer
@@ -59,7 +61,10 @@ func (s *LocationStreamer) InputStream(ctx context.Context, apiVersion, acceptHe
 	if transport == nil {
 		transport = http.DefaultTransport
 	}
-	client := &http.Client{Transport: transport}
+	client := &http.Client{
+		Transport:     transport,
+		CheckRedirect: s.RedirectChecker,
+	}
 	req, err := http.NewRequest("GET", s.Location.String(), nil)
 	// Pass the parent context down to the request to ensure that the resources
 	// will be release properly.
@@ -87,3 +92,8 @@ func (s *LocationStreamer) InputStream(ctx context.Context, apiVersion, acceptHe
 	stream = resp.Body
 	return
 }
+
+// PreventRedirects is a redirect checker that prevents the client from following a redirect.
+func PreventRedirects(_ *http.Request, _ []*http.Request) error {
+	return errors.New("redirects forbidden")
+}